Home / 413,855,966.90-620,560,001.55-171,543,365.30

Finding the Fourth Proportional to 413,855,966.90, 620,560,001.55 and 171,543,365.30

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Solution

The fourth proportional to 413,855,966.90, 620,560,001.55 and 171,543,365.30 is: 257,222,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,855,966.90 : 620,560,001.55 = 171,543,365.30 : x
  2. Step 2: Convert to fraction form
    413,855,966.90/620,560,001.55 = 171,543,365.30/x
  3. Step 3: Cross multiply
    413,855,966.90x = 620,560,001.55 × 171,543,365.30
  4. Step 4: Simplify right side
    413,855,966.90x = 106,452,951,036,460,208
  5. Step 5: Solve for x
    x = 106,452,951,036,460,208/413,855,966.90
  6. Step 6: Final answer
    x = 257,222,221.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.